{"product_id":"allen-bradley-440f-c251p","title":"440F-C251P","description":"\u003ch2\u003eOverview of Allen Bradley 440F-C251P\u003c\/h2\u003e\nThe Allen Bradley 440F-C251P is a surface mount safety controller from the Guardmaster Safedge series. Engineered for reliable perimeter and point-of-operation safeguarding, this unit is designed to work with pressure-sensitive safety edges to help protect personnel near hazardous machine movements. Operating on 24V AC\/DC or 110\/230V AC, it provides automatic or manual reset modes to fit various machine safety requirements. The unit offers flexible integration with existing safety systems and is constructed with a durable polycarbonate housing. Its 130 mm housing width and compact footprint enable easy installation in control panels or on equipment. The 440F-C251P detects actuations from connected safety edges and provides dual-channel safety outputs with an additional auxiliary relay. This setup allows straightforward wiring and dependable fail-safe performance for diverse industrial machinery. With CAT 3 safety rating and PLd compliance per EN ISO 13849-1, the controller is suitable for meeting global safety standards.\n\n\u003ch2\u003eKey Features of Allen Bradley 440F-C251P\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eCATEGORY 3 safety design, compliant with EN ISO 13849-1 PLd\u003c\/li\u003e\n  \u003cli\u003eSupports 24V AC\/DC or 110\/230V AC input power\u003c\/li\u003e\n  \u003cli\u003eSurface mount housing, 130 mm width\u003c\/li\u003e\n  \u003cli\u003eFor use with one Safedge safety edge input\u003c\/li\u003e\n  \u003cli\u003eDual independent normally open (N.O.) safety relay outputs\u003c\/li\u003e\n  \u003cli\u003eAdditional normally closed (N.C.) auxiliary relay output\u003c\/li\u003e\n  \u003cli\u003eAutomatic or manual reset selection\u003c\/li\u003e\n  \u003cli\u003eComprehensive LED status indicators (Run, Open, Stop)\u003c\/li\u003e\n  \u003cli\u003eIP65 environmental protection for control unit\u003c\/li\u003e\n  \u003cli\u003eReplaceable internal safety and supply fuses\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specs of 440F-C251P\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eInput voltage: 24V AC\/DC, 110\/230V AC\u003c\/li\u003e\n  \u003cli\u003eOutputs: 2 x N.O. safety contacts, 1 x N.C. auxiliary relay contact\u003c\/li\u003e\n  \u003cli\u003eContact rating: AC-15: 2 A\/250V AC; DC-13: 2 A\/30V DC\u003c\/li\u003e\n  \u003cli\u003eHousing dimensions: 130 mm (W) x 130 mm (H) x 75 mm (D)\u003c\/li\u003e\n  \u003cli\u003eOperating temperature: -10…+55 °C (control unit), -5…+55 °C (profile)\u003c\/li\u003e\n  \u003cli\u003ePower consumption: less than 6 VA\u003c\/li\u003e\n  \u003cli\u003eIP65 protection (control unit), IP40 enclosure, IP20 terminals\u003c\/li\u003e\n  \u003cli\u003eResponse time: 13 ms\u003c\/li\u003e\n  \u003cli\u003eWeight: 0.65 kg\u003c\/li\u003e\n  \u003cli\u003eComplies with Cat. 3, PLd, EN ISO 13849-1, EN ISO 13856-2\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplications \/ Use Case\u003c\/h2\u003e\nAllen Bradley 440F-C251P is used in machinery and automation systems where safeguarding the operator from hazardous movements is critical. Typical use cases include machine perimeter protection, edge guarding for automated guided vehicles, and securing access gates or doors on production lines. The unit integrates with pressure-sensitive safety edges, providing immediate stop functionality when actuated to reduce injury risk. Its dual-channel safety outputs make it compatible with a wide range of safety relays and contactors, supporting redundancy requirements in safety circuits. Industries such as packaging, material handling, automotive manufacturing, and robotics benefit from the straightforward installation and the clear signaling provided by the LED indicators. The controller’s automatic and manual reset options allow system designers to tailor safety functionality to specific process needs, ensuring compliance with demanding global safety standards.\n\n\u003ch2\u003eRelated Resources\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/leadtime.ca\/\" target=\"_blank\"\u003eLeadTime.ca – Industrial Automation Components \u0026amp; Repair Services\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/leadtime.ca\/collections\/allen-bradley\" target=\"_blank\"\u003eView All Allen Bradley Products\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/leadtime.ca\/blogs\/learning-center\/examples-of-industrial-automation-control-systems\" target=\"_blank\"\u003eExamples of Industrial Automation and Control Systems\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/leadtime.ca\/products\/allen-bradley-194e-sy\" target=\"_blank\"\u003eAllen Bradley 194E-SY Disconnect Switch\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/leadtime.ca\/products\/allen-bradley-1609-d600n\" target=\"_blank\"\u003eAllen Bradley 1609-D600N UPS Backup Power Supply\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":47870764155179,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/4671\/7995\/files\/Leadtime_a83cda45-03ff-4a2a-a7d6-ec179db0412e.png?v=1723532713","url":"https:\/\/leadtime.ca\/products\/allen-bradley-440f-c251p","provider":"LEADTIME","version":"1.0","type":"link"}